Priority reviewCritical

CVE-2022-37434

CADRA, RUGGEDCOM ROX MX5000

zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field. NOTE: only applications that call inflateGetHeader are affected. Some common applications bundle the affected zlib source code but may be unable to call inflateGetHeader (e.g., see the nodejs/node reference).

CVSS: 9.8
EPSS: 17.9%
CISA KEV: Not listed
Published: 2022.08.05

PRIORITY ASSESSMENT

Priority review

FIRST EPSS indicates an elevated probability of exploitation.

Known exploitationNot established by KEV

Exploit probability17.9%

Technical severityCVSS 9.8

Vulnerability overview

Affected product and versions

Product: CADRA, RUGGEDCOM ROX MX5000
Affected versions: < V2511, < V2.17.0, >= V3.1.0 < V3.1.5, <= 1.2.12, 35, 36, 37, 10.0, < 15.7.1, >= 16.0 < 16.1, >= 11.0 < 11.7.1, >= 12.0.0 < 12.6.1, < 9.1, >= 3.7.31 < 3.7.34, >= 3.11.0 < 3.11.22, >= 4.3.0 < 4.3.16, >= 4.6.0 < 4.6.3
Fixed versions: 15.7.1, 16.1, 11.7.1, 12.6.1, 9.1, 3.7.34, 3.11.22, 4.3.16, 4.6.3

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that CADRA, RUGGEDCOM ROX MX5000 and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-120, CWE-787